Iron in fill water & iron stains

Stains on the pool surfaces, pool equipment
or on the swimmers, or off-color swimming pool
water. Discolored but clear pool water.
Dennis in Minnesota

Iron in fill water & iron stains

Postby Dennis in Minnesota » Tue 12 Feb, 2008 14:33

I am required to keep our commercial pools at 3 to 5ppm chlorine. I don't think the Minnesota state pool inspector would accept anything lower. Also I have 3ppm iron in my drilled well water, and have problems with bad staining in the pools.

I am thinking of putting in a non softening iron filter system. Is it worth the money, or should I just use chemicals to fight it?

One more question. One pool is badly stained now, I have to drain it this spring before we open to do some warranty work on it. Should I try to use chemicals to clean it before I drain it, or drain it and acid wash it? Thank you for your time and any suggestions that you have.

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Postby fatybabe » Tue 04 Mar, 2008 00:41

Acid washing is always the cheaper and easier fo the two you mentioned.

You see stains in pool and discoloration due to Fe1 changing to Fe 2 you can reduce the pH levels to hold Fe in water.

Though i would recommend you have water pretreated if the Fe levels are that high from your feed.

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